$(document).ready(function() {
			//Tooltips
			$(".tip_trigger").hover(function(){
				tip = $(this).find('.tip');
				tip.show(); //Show tooltip 
			}, function() {
				tip.hide(); //Hide tooltip		  
			}).mousemove(function(e) {
				var mousex = e.pageX + 20; //Get X coodrinates
				var mousey = e.pageY + 20; //Get Y coordinates
				var tipWidth = tip.width(); //Find width of tooltip
				var tipHeight = tip.height(); //Find height of tooltip
				
				//Distance of element from the right edge of viewport
				var tipVisX = $(window).width() - (mousex + tipWidth);
				//Distance of element from the bottom of viewport
				var tipVisY = $(window).height() - (mousey + tipHeight);
				  
				if ( tipVisX < 20 ) { //If tooltip exceeds the X coordinate of viewport
					mousex = e.pageX - tipWidth - 20;
				} if ( tipVisY < 20 ) { //If tooltip exceeds the Y coordinate of viewport
					mousey = e.pageY - tipHeight - 20;
				} 
				tip.css({  top: mousey, left: mousex });
			});
		});